Dell Latitude 7390
13.3-inch premium business laptop of 2018, part of the Latitude 7000 series alongside the 7290 and 7490. Offered with 7th or 8th Gen Intel Core U-series processors, a single soldered-slot DDR4 SO-DIMM up to 16 GB, and magnesium-alloy, carbon-fibre or CNC-machined-aluminium lids with optional touch.
Memory
- Slots
- One SO-DIMM slot
- Type
- DDR4 SDRAM (not backward compatible with DDR3)
- Speed
- 2133 MHz with 7th Gen Intel Core; 2400 MHz with 8th Gen Intel Core
- Configurations
- 4 GB, 8 GB or 16 GB, single module
- Maximum
- 16 GB
Storage
- Primary (SATA)
- 128 GB, 256 GB or 512 GB M.2 2280 SATA SSD; 512 GB M.2 2280 SATA SED SSD
- Primary (PCIe)
- 128 GB M.2 2230 PCIe SSD; 256 GB, 512 GB or 1 TB M.2 2280 PCIe SSD; 256 GB or 512 GB M.2 2280 PCIe SED SSD
- Interface
- Up to 6 Gb/s SATA 3.0, or PCIe Gen3 (up to 4 lanes for 2280, up to 2 lanes for 2230)
- Card reader
- microSD 4.0
- Drive MTBF
- 1.4M hours (per-drive spec sheet)
Graphics
- Integrated
- Intel HD Graphics 620 (7th Gen Core) or Intel UHD Graphics 620 (8th Gen Core), shared system memory
- External output
- DisplayPort over USB Type-C (optional Thunderbolt 3); HDMI 1.4
Expansion
- M.2 slots
- Three M.2 sockets: one 3042, one 3030, one 2280 (shared between SSD and optional WWAN)
- WWAN
- Optional Qualcomm Snapdragon X7 LTE-A/HSPA+ module; external microSIM tray tied to the WWAN hinge-up back cover
- Smart card
- Optional FIPS 201 contacted smart card reader; optional contactless smart card/NFC
Networking
- Wi-Fi
- No-WLAN option, Qualcomm QCA61x4A 2×2 802.11ac + Bluetooth 4.1 (non-vPro), Qualcomm QCA6174A XR 2×2 802.11ac + Bluetooth 4.1 (non-vPro), or Intel Dual-Band Wireless-AC 8265 2×2 + Bluetooth 4.2 (non-vPro)
- WWAN
- Optional Qualcomm Snapdragon X7 LTE-A (DW5811e, US carriers or EMEA/APJ/ROW), Snapdragon X7 HSPA+ (DW5811e, China/Indonesia/India), or Snapdragon X7 LTE-A (DW5816e, Japan/ANZ/India/South Korea/Taiwan)
- Ethernet
- 10/100/1000 Gigabit Ethernet via RJ-45
Power
- Adapters
- E5 65 W, E5 65 W ruggedized (India only), E5 90 W, or E4 65 W BFR/PVC-free, 100–240 VAC barrel-tip
- 65 W output
- 3.34 A continuous at 19.5 VDC
- 90 W output
- 4.62 A continuous at 19.5 VDC
- Docking
- Optional Dell Dock WD15 or Dell Thunderbolt Dock TB16
Ports
- USB-C
- 1 × DisplayPort over USB Type-C, USB 3.1 Gen 1 (optional Thunderbolt 3)
- USB-A
- 2 × USB 3.1 Gen 1 (one PowerShare capable)
- Video
- 1 × HDMI 1.4
- Network
- 1 × RJ-45
- Card slots
- microSD 4.0; microSIM (external tray, WWAN configurations); optional smart card reader
- Audio
- Universal audio jack (mic-in + stereo headphones/speakers); Realtek ALC3246 controller; two speakers at 2 W RMS each; dual digital noise-reducing microphones
- Security
- Full-size Noble lock slot
Display
- FHD non-touch
- 13.3" 1920×1080 anti-glare, 300 nits, 600:1 contrast, 166 PPI, 60 Hz, ±80° viewing, 4.6 W max
- FHD touch
- 13.3" 1920×1080 anti-glare on-cell touch, 300 nits, 600:1 contrast, 166 PPI, 60 Hz, ±80° viewing, 5.2 W max
- Camera
- Optional HD fixed-focus (0.92 MP, 1280×720 up to 30 fps) or IR camera for Windows Hello; no-camera option
Battery
- 42 Wh
- 3-cell prismatic Li-ion, ExpressCharge capable, 11.4 VDC, 3.68 Ah typical, 185 g, 300-cycle/1-year pack
- 60 Wh
- 4-cell polymer, ExpressCharge capable, 7.6 VDC, 7.89 Ah typical, 270 g, 300-cycle/1-year pack
- 60 Wh LCL
- 4-cell polymer Long Life Cycle, 7.6 VDC, 270 g, 1000-cycle/3-year pack; not ExpressCharge capable
- Charging
- ExpressCharge reaches >80% in about 1 hour and full charge in about 2 hours with the system off
Physical
- Width × depth
- 304.80 × 207.95 mm (12.00 × 8.19 in)
- Height (front to back)
- 16.33 mm non-touch; 16.86 mm touch
- Weight
- Starting at 1.17 kg (2.59 lb); configuration-dependent
- Keyboard
- Single-pointing, backlit or non-backlit; 82 keys (US), full-sized 19.05 mm pitch
- Touchpad
- Sensor-active area 101.7 × 52 mm; configurable single- and multi-finger gestures
- Lid materials
- Magnesium alloy, carbon fibre, or CNC-machined aluminium
Management
- TPM
- TPM 2.0, FIPS 140-2 Certified, TCG Certified (February 2018)
- Fingerprint
- Optional touch fingerprint reader (Hardware Authentication Bundle 2)
- Smart card
- Optional FIPS 201 contacted smart card (Bundle 1) or contacted + contactless smart card/NFC (Bundle 2)
- ControlVault
- Optional Dell ControlVault 2.0 Advanced Authentication, FIPS 140-2 Level 3
Operating systems
- Windows
- Windows 10 Pro 64-bit; Windows 10 Home 64-bit
- Linux
- Ubuntu
Processors
- Intel Core i5-8250U
- Intel Core i5-8350U
- Intel Core i7-8650U
- Intel Core i3-7130U
- Intel Core i5-7300U